Datasheet

LTC3400/LTC3400B
9
3400fa
TYPICAL APPLICATIO S
U
D1
1nF
OPTIONAL
SNUBBER
SW
L1
4.7µH
2Ω
V
OUT
LTC3400
FB
V
IN
SHDN
2
3400 TA02a
1
3
C2
4.7µF
C3
100pF
R1
1.02M
1%
D1: PHILIPS PMEG2010EA
L1: SUMIDA CMD4D06-4R7
C1, C2: TAIYO YUDEN JMK212BJ475MG
C1
4.7µF
LITHIUM
CELL
5
4
6
GND
+
OFF
ON
R2
332k
1%
Single Lithium Cell to 5V, 250mA
3.6V to 5V Efficiency
LOAD CURRENT (mA)
60
EFFICIENCY (%)
70
80
90
100
0.1 10 100 1000
3400 TA02b
50
1
LTC3400
C
O
= 4.7µF
L = 4.7µH